This is a mechanically generated patch to ensure unit testing is in place
for all of the Tested Runtimes for Train.
See the Train python3-updates goal document for details:
https://governance.openstack.org/tc/goals/train/python3-updates.html
Note that python35-charm-jobs is retained since this charm is supported
on Xenial.
Change-Id: Ibc2def246bf2a96213b0e1429e4d97a5eb0f4406
Story: #2005924
Task: #34228